Robert Andrews Millikan

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brary is a reinforced concrete building located on the campus of the California Institute for Technology in Pasadena, USA. The building has been studied by earthquake engineers since it was first instru-mented in the late 1960s. Continuous measurements at 200 Hz are made by 19-bit real-time seismometers on each of the 10 floors and in the basement. These(More)
It was as early as 1903 that the British physicists, McLennan and Burton' and Rutherford and Cooke2 noticed that the rate of leakage of an electric charge from an electroscope within an airtight metal chamber could be reduced as much as 30% by enclosing the chamber within a completely encircling metal shield or box with walls several centimeters thick. This(More)